Update to Node 22 (LTS) and Python 3.13

Dockerfile

@@ -1,7 +1,7 @@
 #
 # Static site build phase
 #
-FROM node:16 as build
+FROM docker.io/node:22 as build
 ARG SITE
 
 WORKDIR /build
@@ -25,11 +25,11 @@ RUN SITE=${SITE} npm run build
 #
 # Actual server container
 #
-FROM python:3.10-alpine
+FROM docker.io/python:3.13-alpine
 ARG SITE
 
 RUN apk add --no-cache lighttpd && \
-	python -m pip install itsdangerous requests
+	python -m pip install legacy-cgi itsdangerous requests
 
 COPY --from=build /build/dist /www/
 COPY cgi-bin /cgi-bin/

cgi-bin/form.py

@@ -2,7 +2,6 @@
 
 import base64
 import io
-import cgi
 import collections
 from collections.abc import Mapping
 import hmac
@@ -13,6 +12,7 @@ import secrets
 import json
 from typing import Any, Optional, overload
 
+import cgi
 import itsdangerous
 import requests